Recreational surface block



FIG. 1 is a perspective view of a modified embodiment thereof for use along an outer perimeter;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is an end elevational view thereof. 

The ornamental design for a recreational surface block, as shown and described. 